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Primary Examiner: Gonzales, John
Assistant Examiner: Brady, W. J.
Attorney: Mattern, Ware, Davis & Stoltz

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Title: Apparatus and method for in-line energization and de-energization of external loads in series with an external source of electricity in response to externally sensed parameters

Abstract: A control system for energizing and de-energizing external loads in series with a source of electricity incorporates a rectifying network having inputs in series with the alternating current source and each external load. The control system incorporates one electronic switch, such as a triac, and one part of a rectifying network to energize and de-energize each external load. The triggering of a particular electronic switch is made in response to a desired combination of externally sensed parameters obtaining predetermined magnitudes. The same or different sensed parameters may also be used to activate any other external load when these sensed parameters obtain a second set of predetermined magnitudes, which may be identical with the first set of predetermined magnitudes.


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Inventors: Gingras, Richard P. (Ridgefield, CT, US)

Application Number: 955120
Filing Date: 1978-10-26
Publication_date: 1980-11-25
Assignee:
Primary Class(es): 307/39 236/47, 307/117
Other Classes:
US Patent Ref:
3337741Aug, 1967Mislan307/41.
3352490Nov, 1967Dalzell et al.236/68.
3523182Aug, 1970Phillips et al.307/117.
3586869Jun, 1971Kompelian307/117.
3761018Sep, 1973Rekal307/39.
3768545Oct, 1973Wilk307/39.
3854033Dec, 1974Edge219/483.
3867641Feb, 1975Collins307/117.
3868638Feb, 1975Johnson307/117.
3869619Mar, 1975Camillo307/117.
3944841Mar, 1976Janke307/38.
3948441Apr, 1976Perkins et al.236/46.
3980943Sep, 1976Cailleux et al.307/39.
3984699Oct, 1976Bailey307/41.
4010412Mar, 1977Forman307/39.

Other Refs: 2218285
Oct, 1973DE.
Other References: SCR Manual, General Electric, 1972, p. 223.